• questions about trimming an antenna

  • Discussion related to railroad radio frequencies, railroad communication practices, equipment, and more.
Discussion related to railroad radio frequencies, railroad communication practices, equipment, and more.

Moderator: Aa3rt

  by Ken W2KB
 
EdM wrote: The longer antennas (3/8 & 5/8) do do some enhancement, but at the expense of lowering the vertical angle of reception.
But lowering the angle of reception is beneficial for receiving rail signals, detrimental for receiving inflight aircraft signals. ;-)

The reduction in mobile flutter is also a plus for the 5/8. Worth the extra 3db of gain? That's a very fact and individual specific question.